Heritage White Gold Diamond & Green Guilloché Enamel Koala Surprise Locket features Green guilloché enamel and round white diamonds, set in 18 karat White gold. The locket opens to reveal an 18 karat White gold Koala set with round brilliant cut white diamond eyes. The locket is 22mm and comes with a 50cm long chain in 18 karat White gold . The Heritage collection draws inspiration from Fabergé's historical masterpieces. Traditional materials and complex traditional techniques, such as the delicate art of guilloché enamelling and hand-engraving, make up the signature elements of this colourful and opulent collection.